Question: What is the percentage of people that died on March 22nd, 1798?
Paraphrase: What is the percentage of people on March 22, 1798 who died?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q5448002 wdt:P127 ?answer . ?answer wdt:P570 ?x FILTER(contains(YEAR(?x),'1798'))}
Answer: Justin Morgan